I have an 96 Custom Softail Harley, bike sets four months out of the
year. when it goes down everything is perfect. When you get it out
it will not crank. When it does crank it skips and then cuts off up
the road. I have checked battery, changed spark plugs, changed
fuel line, changed wires, and made sure it has gas. Screens not
covered inside tank. Purchased trickle charger, and then tried to
crank after a couple of days, and it will not turn over fast enough
now at all. When it does turn over black soot comes out of the pipes,
and it still will not fire. Plugs used were autolites, instead of split
fire as I originally ran. Is my spark not hot enough. I have run out
of ideas please advize. It also has an electric ignition system.
Everything has been rebuilt, replaced, the bike has been kept inside
of a garage never out in the open nor exposed to the elements.
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You have a wasted spark system and you are getting fuel. Probably you need new spark plugs as even if the old ones look good and might spark out of the engine it appears they will not spark properly under compression pressures and the fuel that remains unburned is ignited when the spark plug fires on the exhaust stroke when there is not pressure and therfore teh backfires.
Jp has the harness and easy to follow instructions, if you already have
the harness, and the old one is still on the bike. you could strip down
and tag each wire before pulling harness . use old harness to apply
new harness , everything will be the same. some connections may
need to be added, but this is minor .
The TC96b is the same as the TC88b only larger. The best place to get a view of all parts of the engine is at http://www.bikebandit.com/
Go to this site and look for the OEM parts guide for a 2006 Softail Standard. The "B" engine only came in the Softail series of bikes. The rest of the bikes Harley builds have the standard non-counterbalanced engine. I think 2006 was the first year for the 96 cu in engines. Anyway, they're built the same way.
I still don't understand what you are talking about when you say "start side and run side". Sounds as it the bike has an automotive type ignition switch as I've never seen a switch on a Harley with "start - run" on it. It's got a "run / stop" switch on the right handlebar switch housing.
But, you say it does get spark in one position but it backfires and will not run in that position. You also said that it started this four years ago. I conclude that there has been lots of modifications done to this bike and it hasn't run in four years. I'm going to assume that the things you have told me have been done recently.
I'd suspect igniton timing. Has the ignition system been changed? If so, the timing may not have been correctly set. Look in the "nose cone" of the engine and see what is in there. Stock or aftermarket?
To help me understand your problem better, if you could take some pictures of the switch you're talking about and send them to me, it sure would help. Send the pics to firstname.lastname@example.org
here goes oil bag takes 2.8 with new filter Harley says 3 but that will overfill. Primary takes Harley Primary and trannie Oil primary takes 32 oz or one bottle...trannie takes between 20 and 24 oz. I always put in 20 oz and thqt will work fine...make sure your bike is up to operating temp when draining your oil so it all flows.
I would check the coil first and see if it needs replaced .If it's new and you still have reciept ,take and get a replacement coil for the one you bought and make sure your wires coming out of everything have power be tracing the system to see if there might be something shorting.
climate/ humidity? possible rust in cylinders? try some marvel mystery oil in the spark plug holes...oil doesn't lubricate static pistons...after setting always pull plugs and motor over before starting; I know 2 little too late; these are beasts; alittle oil on top of the pistons will break free